APA引文

Viera, C. J., Kopsell, E., Beer, J., Jiménez Otárola, F., & Lok, R. (1999). Forestry incentives to establish and manage timber trees in coffee fields.

Citación estilo Chicago

Viera, Carlos J., Edgar Kopsell, John Beer, Francisco Jiménez Otárola, y Rosanna Lok. Forestry Incentives to Establish and Manage Timber Trees in Coffee Fields. 1999.

MLA引文

Viera, Carlos J., et al. Forestry Incentives to Establish and Manage Timber Trees in Coffee Fields. 1999.

警告:這些引文格式不一定是100%准確.